Random Code

/* idk what half this stuff does, but it works. */
#include <iostream>
#include <algorithm>
#include <vector>
#include <ctime>
#include <cstdlib>
#include <math.h>
#include <stdio.h>      /* printf, scanf, puts, NULL */
#include <stdlib.h>     /* srand, rand */
#include <time.h>       /* time */

using namespace std;



//              This is the 3 randomizers needed for the code: Attack damage randomizer, Hit chance randomizer, Move selection randomizer

int main(){

    //Attack damage randomizer start.


    double ATTM; //Attack multiplier.
    double ATTD; //Attack default.
    double ATTB; //Attack buffer.
    srand(time(0)); //Randomzies the code by making up a random string of numbers.

    ATTB = 0.5; //Attack modifer to grant +-50%. Changes to 1 if using ATT up to make to 0~100% damage scaling.
    ATTD = 20;  //Default damage if there was no multiplier, changes for each attack, set to 20 for testing.

    //Yes, I know the line is repeated twice. No, I dont know why I need to do it. Yes, it is nesesary. No, there is no other way.
    ATTM =(double)rand()/(RAND_MAX+1)+(ATTB); //The attack multiplier. Default is 0.5-1.5, AKA 50% less damage to 50% more.
    ATTM =(double)rand()/(RAND_MAX+1)+(ATTB); //Taking an attack potion should change to to 1-2, AKA default to double damage.
    //If you dont have BOTH of them, then it does not generate an actual random number. Try it yourself.

    cout << "Attack multiplier is: "; //Words
    cout << ATTM; //Final multiplier
    cout << "\nThe final damage done is: "; //Move stuff to another line
    cout << floor ((ATTD * ATTM) + 0.5 ); //Final damage caulcuation. Multiplies base damage by the multiplier, then rounds it to a whole number.


    //Attack damage randomizer end.




    //Move hit randomzier start.


    int r; //Randomizer for a number from 0-100, used for hit chance and move selection.
    int HitC; //Hit chance, the number needed for the attack to hit.

    r = rand() % 100; //Random number from 0-100
    HitC = 75; //Default chance for the attack to hit, set to 75 for testing.

    cout << "\nRandom number is: "; //Move stuff to another line
    cout << r; //prints the number
    if (r<=HitC) puts ("\nThe attack hit!"); //If the number rolled is smaller then chance to hit, the attack is sucsesful.
    else if (r>HitC) puts ("\nThe attack missed!"); //If the number rolled is greater then chance to hit, the attack missed.


    //Move hit randomzier end.



    //Move selection start


    r = rand() % 100; //Random number from 0-100

    cout << "\nNew random number: "; //Prints the new random number. Also, it seems to have an extra space when printed, idk why, its like a second \n was typed.
    cout << r;
    if (r<=20) puts ("\nMove one selected!"); //If the number is 0-20, move one (20% chance to select)
    if (r<=50&&r>20) puts ("\nMove two selected!"); //If the number is 21-50, move two (30% chance to select)
    if (r<=75&&r>50) puts ("\nMove three selected!"); //if the number is 51-75, move three (25% chance to select)
    if (r<=100&&r>75) puts ("\nMove four selected!"); //if the number is 76-100, move four (25% chance to select)


    //Move selection end

    std::cout << "\n\nPress ENTER to end program..."; //Tells user how to end the program.
    std::cin.ignore( std::numeric_limits<std::streamsize>::max(), '\n' ); //Will stop the program from ending prematuerly, requiers user to push ENTER.

    return 0;
}